Nordyne M1MB 070 pressure sensing problem
Posted: Fri Jan 01, 2010 10:43 am
Nordyne Model# M1MB 070A BW Series
M1M 990605682
I previously had a problem where my pressure switch wasn't sensing a draft. I removed the black part where the PS hoses connect to and found that the internal connector (lower) on the black part(draft inducer?) was broken. I rigged it with a new nipple and tube which allowed the internal tube to be over the draft. I had taken the part to the local HVAC supplier who told me that they don't carry Nordyne parts and that I would be lucky if the unit still worked after a few years.
I am again having some trouble with this part. The external putty I used to keep the nipple attached has hardened and probably allows air to enter/escape.The two hoses are also a little sloppy. My heat was not starting-draftfan running without sensing the draft-two red flashes. I turned the hoses around to make a better connection and was able to get heat again.
What are the part numbers for a new black box(draft inducer?) which the pressure switch hoses connect to? I also need new hose and I would think that a new pressure switch wouldnt hurt either.
Any thoughts or part numbers?
Thank You
M1M 990605682
I previously had a problem where my pressure switch wasn't sensing a draft. I removed the black part where the PS hoses connect to and found that the internal connector (lower) on the black part(draft inducer?) was broken. I rigged it with a new nipple and tube which allowed the internal tube to be over the draft. I had taken the part to the local HVAC supplier who told me that they don't carry Nordyne parts and that I would be lucky if the unit still worked after a few years.
I am again having some trouble with this part. The external putty I used to keep the nipple attached has hardened and probably allows air to enter/escape.The two hoses are also a little sloppy. My heat was not starting-draftfan running without sensing the draft-two red flashes. I turned the hoses around to make a better connection and was able to get heat again.
What are the part numbers for a new black box(draft inducer?) which the pressure switch hoses connect to? I also need new hose and I would think that a new pressure switch wouldnt hurt either.
Any thoughts or part numbers?
Thank You